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The structural basis of blebbistatin inhibition and specificity for myosin II
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text myosin, blebbistatin, myosin II inhibitor, myosin-inhibitor complex, metastable state, CONTRACTILE PROTEIN

    Polymeric Molecules

    Chain A
    Description Myosin II heavy chain 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 86747.8 
    Source Method natural source  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ADP  ADENOSINE-5'-DIPHOSPHATE  C10 H15 N5 O10 P2   427.20  View 
    BIT  (-)-1-PHENYL-1,2,3,4-TETRAHYDRO-4-HYDROXYPYRROLO[2,3-B]-7-METHYLQUINOLIN-4-ONE  C18 H16 N2 O2   292.33  View 
    EDO  1,2-ETHANEDIOL  C2 H6 O2   62.07  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
    VO4  VANADATE ION  O4 V   114.94  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A MYS2_DICDI P08799     

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    16459   Myosin Complex  A Protein Complex Formed of One or More Myosin Heavy Chains Plus Associated Light Chains and Other Proteins That Functions As a Molecular Motor; Uses the Energy of ATP Hydrolysis to Move Actin Filaments or to Move Vesicles or Other Cargo On Fixed Actin Filaments; Has Magnesium Atpase Activity and Binds Actin. Myosin Classes Are Distinguished Based On Sequence Features of the Motor or Head Domain But Also Have Distinct Tail Regions That Are Believed to Bind Specific Cargoes. 
    3774   Motor Activity  Catalysis of the Generation of Force Resulting Either in Movement Along a Microfilament or Microtubule or in Torque Resulting in Membrane Scission Coupled to the Hydrolysis of a Nucleoside Triphosphate. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 

  •   Gene Details   Hide

    Natural Source

    Chain A
    Scientific Name Dictyostelium discoideum  
    Genus Dictyostelium